38504697658 has 16 divisors (see below), whose sum is σ = 66020581440. Its totient is φ = 16498881216.

The previous prime is 38504697653. The next prime is 38504697659. The reversal of 38504697658 is 85679640583.

It is a super-2 number, since 2×38504697658² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38504697596 and 38504697605.

It is not an unprimeable number, because it can be changed into a prime (38504697653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183823 + ... + 332866.

It is an arithmetic number, because the mean of its divisors is an integer number (4126286340).

Almost surely, 2^38504697658 is an apocalyptic number.

38504697658 is a deficient number, since it is larger than the sum of its proper divisors (27515883782).

38504697658 is a wasteful number, since it uses less digits than its factorization.

38504697658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522021.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 38504697658 in words is "thirty-eight billion, five hundred four million, six hundred ninety-seven thousand, six hundred fifty-eight".